The function print_val()
generates a character string for the purpose
to print a value on a plot (together with associated information).
print_val(val_name, val_value, val_unit, val_sf, prefix = "", suffix = "")
A single character string of the form “val_name: val_value (with the number of specified decimal places) val_unit”.
A character string that specifies the text preceding the value of the parameter to be displayed.
A numeric value that specifies the value of the parameter to be displayed.
A character string that specifies the text following the value of the parameter to be displayed.
A positive integer that specifies the number of significant figures for the display of the limit.
A character string at the beginning of the whole text. The
default is an empty string, i.e. ""
.
A character string at the end of the whole text. The default
is an empty string, i.e. ""
.
The function print_val()
generates a character string that
is based on the provided information. The string is used as label of a
corresponding graph element. For the number formatting, the
sprintf()
function from the ‘base
’ package
is used. For concatenation of the various elements, the
paste()
function from the ‘base
’ package
is used.